高毒性物质

摘要硝基苯类化合物是高毒性物质，难以生物降解且对生化反应有抑制和毒害作用。

Nitrobenzenes compound is the high poisonous substance which is difficult to be biodegraded and can inhibit and poison biochemical reaction .

结论：亚硒酸钠属于高毒性物质，可以对大鼠造成急性、蓄积性、亚急性损伤。

Conclusion : Sodium selenite is a material with high toxicity , which can cause acute , accumulative and sub-acute toxicity to rats .

硝基苯是高毒性物质，其毒性一般为其它化合物的20-30倍，且具有弱致突变性。

Nitrobenzene is toxious , and its toxicity is generally 20-30 times higher than that of other compounds , and it is weakly mutagenic .

如果你怀疑你的宝宝已吞食了某种高毒性的物质，则应请求急救服务并尽快将宝宝带到医院救治。

If you suspect your baby has taken a very toxic substance , call the emergency services and get the baby to hospital as soon as possible .

铊是一种高毒性的物质，通过食物链进入生物圈，对生物体和人体健康产生毒害作用。

Thallium is highly toxic and can easily flow into the biosphere through food chain . Consequently , it has terrible deleterious to the living organisms and the human body health .